147.157.1.20 — AS2907 SINET-AS

PTR

mailgw03.k.tsukuba-tech.ac.jp

A record for

`mailgw.studyhard.jp`
	A	147.157.1.20
`mailgw.ntut-braille-net.org`
	A	147.157.1.20
`mailgw03.k.tsukuba-tech.ac.jp`
	A	147.157.1.20

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